???? ???? ??? ???? ?? ???? ???? ????? ??? ?????? ???????? ??????? ???????? ??? ?? ???? ???? ???? ????  ???? ?????? ???????? ??????? ?????? ???? ????? ?? ????? ?????. ????? ????? ??? ?????? ???? ???? ???? ??? ???? ??????: 1- ??????? ????????: ???? ????? ??? ?????? ????? ??????? ??????? ??????? ?????? ???????? ??????? ???????? ???????? ???? ???